Finding the Fourth Proportional to 757,450.34, 1,044,336.02 and 485,070.42
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Solution
The fourth proportional to 757,450.34, 1,044,336.02 and 485,070.42 is: 668,791.72
Step by Step Solution
- Step 1: Write the proportion equation
757,450.34 : 1,044,336.02 = 485,070.42 : x - Step 2: Convert to fraction form
757,450.34/1,044,336.02 = 485,070.42/x - Step 3: Cross multiply
757,450.34x = 1,044,336.02 × 485,070.42 - Step 4: Simplify right side
757,450.34x = 506,576,512,284.81 - Step 5: Solve for x
x = 506,576,512,284.81/757,450.34 - Step 6: Final answer
x = 668,791.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.